The memory of my mother will always be a blessing to me.

I am quite correctly described as 'more of a sponge than an inventor....'

We have merely scratched the surface of the store of knowledge which will come to us. I believe that we are now, a-tremble on the verge of vast discoveries - discoveries so wondrously important they will upset the present trend of human thought and start it along completely new lines .

I never once failed at making a light bulb. I just found out 99 ways not to make one.

Show me a completely contented person and I'll show you a failure.

I'll try anything...I'll even try Limburger cheese!

The strength of the Constitution, lies in the will of the people to defend it.